Shred FX Men in the lower to mid range will have moderate to serious symptoms. To feel good men need to be at the upper end of the range 4 out of 5  Shred FX men over the age of 40 have low testosterone levels and 99 of men over the age of 50 experience the symptoms of andropause, but only 5 of men with andropause symptoms seek treatment. https://www.healthsupreviews.com/shred-fx/